*{
    padding: 0px;
    margin: 0px;
}
.xiang{
    margin: 20px auto;

    width: 1000px;
}
.xiang .img{
    width: 1000px;
    height: 300px;
}
.nn{
    margin-top: 20px;
}
.nn h2{
    margin-top: 10px;
    margin-left: 5px;
}

.nn  p{
    margin-top: 20px;
    margin-left: 5px;
}
.nn .yang{
    font-family: "Lucida Console","Courier New",monospace;
    font-size: 20px;
}
.nn  .fu{
    font-size: 15px;
    color: #e59999;
}
.nn ul{
    margin-left: 30px;
    margin-top: 8px;
    list-style-type: square;
}
.nn ul li{
    padding-top: 5px;
}
.nn  button{
    width: 120px;
    height: 40px;
    margin-top: 70px;
    margin-left: 490px;
    border-radius: 5px;
    background-color: rgba(252, 248, 248, 0.4);
}
.nn button a{
    text-decoration: none;

    color: #847e7e;
}
.nn  button a:hover{

    color: rgba(0, 0, 0, 0.8);
}